import { emojiMap, emojiUrl } from './emojiMap'
export function decodeText(payload: any) {
  const renderDom = []
  // 文本消息
  let temp = payload.text
  let left = -1
  let right = -1
  while (temp !== '' && temp) {
    left = temp.indexOf('[')
    right = temp.indexOf(']')
    switch (left) {
      case 0:
        if (right === -1) {
          renderDom.push({
            name: 'text',
            text: temp,
          })
          temp = ''
        } else {
          const emojiKey = temp.slice(0, right + 1)
          if (emojiMap[emojiKey]) {
            renderDom.push({
              name: 'img',
              src: emojiUrl + emojiMap[emojiKey],
            })
            temp = temp.substring(right + 1)
          } else {
            renderDom.push({
              name: 'text',
              text: '[',
            })
            temp = temp.slice(1)
          }
        }
        break
      case -1:
        renderDom.push({
          name: 'text',
          text: temp,
        })
        temp = ''
        break
      default:
        renderDom.push({
          name: 'text',
          text: temp.slice(0, left),
        })
        temp = temp.substring(left)
        break
    }
  }
  return renderDom
}
